Evidence row 21948

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://weatherofrecord.com/mcp"
    ],
    [
      "web",
      "https://weatherofrecord.com/api"
    ]
  ],
  "name": "Weather of Record",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-30T05:54:01.935927Z",
        "status": "active",
        "statusChangedAt": "2026-09-30T05:54:01.935927Z",
        "updatedAt": "2026-09-30T05:54:01.935927Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Published weather records for a U.S. street address and date, with provenance.",
      "name": "com.weatherofrecord/weather-of-record",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer <your key>.  A free key is at https://weatherofrecord.com/api.",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://weatherofrecord.com/mcp"
        }
      ],
      "title": "Weather of Record",
      "version": "1.0.0",
      "websiteUrl": "https://weatherofrecord.com/api"
    }
  },
  "source": "mcp_registry",
  "summary": "Published weather records for a U.S. street address and date, with provenance."
}

What the leaf hashes

{"body":"c0492261e35ae9cc1cd7acb8cee3c0d82b63438bd94dcbe9b9c1f6593562fb5b","id":21948,"kind":"listing","method":"baseline/1","observed_us":1793025341078634,"prev":null,"subject":"mcp_registry:com.weatherofrecord/weather-of-record","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x2d1e68d28e2d53829e4401952bdb3a55663f3b97729da9b3dafaa4679c435536
2. 0xf2a44e2b8537c90abcbb6d4453e026c6e98fa04eb7a8c80716733c56e1d681ba
3. 0xf6fdfbcd3b09ec37208218c97ce59424e5b4c6da4b1f6e86ac96b0d68527b6a6
4. 0x4e4dbd88b9c9630753c813c0b2d1d2c930961163bdf110e2f90481e26c1886e7
5. 0xd1b141cb888dc74afd93110cd33302479f4de962eb28b14784908322f8c2958d
6. 0xde01b8f11243286c3d9b16554046b64b2be7144c1b1256410c14ad1e0c47d972
7. 0x8aa34fb2cde9299e62b47b3f658cc439b141b51f4614a1511a0db3dfe8123517
8. 0x2266ed9691091e6883d0b97eae8b46a087100736b1d9c57655dbfc09f10b336f
9. 0xb3e9c882a3a01287b75c562c686462ce39f95beff552606a5177db859d21f55e
10. 0xfedb774859091fc826985613a3b2a7fe561fdca554ffa5217a3e9ddf9fa88e9c
11. 0x9f7d3cc11f13fc54c5221c4babc2273f69d77c4b805c79df41df74cfb0975d6c
12. 0xf89d9951e0a8e08b9cf11177a1f4e0fd86d9facc5dfecaabbfe564675ebefef7
13. 0xb87e8b32cda179c9e632e227bbd8a6d1f6f61d9d81bb92dbd4dd835d2b3b5caa
14. 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae